Question

How do you decode a matrix?

Answer 1

http://gyazo.com/d7cb9abe873683e71611878fa59fbf37

Answer 2

\[\left[\begin{matrix}7 & 2 \\ 3 & 1\end{matrix}\right]\] This is the inverse but I don't know how to decode the matrix.

Answer 3

@jim_thompson5910 Do you know how to do this?

Answer 4

http://www.purplemath.com/modules/mtrxinvr2.htm
right now I'm looking at this site

Answer 5

so it looks like you were right to find the inverse function

Answer 6

looks like we just need to multiply the inverse matrix you found with the matrix we want to decode

Answer 7

decompose?

Answer 8

how do you multiply a 2*2 matrix by a 2*6 matrix?

Answer 9

\[\(you're~the~one\)\]

Answer 10

col by row as any other